The Action Potential, revisited. AP Phase VG Na+
VG K+ Channel Channe (2 l (1 gates) gate) Rest Fully Closed Closed Depolariz Activati Closed ation on gate open Repolariz Inactiva Activati ation tion on gate gate open closed
Define these terms in
Specialized receptors can transduce various
external and internal stimuli to electrical
Basic Principles of Sensation PNS tells us about What division of the
changes in the internal (within our body) and external (everything e
It is necessary for providing information about the
position and movement of the head in space. How many ways can the head move in space?
3 rotational Yaw Pitch Role 3 translational (linear acceleration) X -axis Y-axis Z-axis
Alick to MacDonald Cndrew edit Master subtitle style November 19th, 2009 [email protected]
Why do we EAT?!
Environmental & Genetic factors both contribute to why we eat.
Environmental Factors: 1) Taste & Smell 2) Cost/Reward O
Alick to MacDonald Cndrew edit Master subtitle style December 3rd, 2009 [email protected]
Muscles allow for motion
and the production of heat.
Skeletal muscles & bones
allow our bodies to carry out locomotion.
Skeletal muscles c
Motor systems play an integral role in
providing our body with the ability to undergo locomotion or movement. It is important that we have the coordination to hunt, eat, build shelters, and drink.
Motor Systems p
Cardiovascular Physiology III
Andrew MacDonald Click to edit Master subtitle style January 28th, 2010
Cardiac Output = Stroke Volume (mL) x Heart Rate (bpm) Frank-Starling Law An increase in end diastolic volume will cause an increase
Cardiovascular III (cont)
Andrew MacDonald Click to edit Master subtitle style [email protected]
Neural Mechanisms ANS control
Fight or Parasympathetic Nervous System flight! Small indirect effect on the blood vessels, it will cause slight vas
December 10th, 2009 2130 Review Minitest II Practice Questions Renal 3 1. Humans can regulate salt balance and water balance separately? A) True B) False Water output in the body can occur in several ways, which of the following is not a way that water is
Renal System : Part 3
November 12th, 2009
Regulation of Water
BThe more you drink the more you urinate!
If you drink and excess or an increased amount of fluid, you
will produce a large volume of dilute urine.
If you drink very li
What is Physiology?
Physiology is the study of the normal
functioning of a living organism and all of its component parts. (Also used to describe disease states pathophysiology)
This includes all of the chemical and physical
What is Osmosis?
The net movement of water down its concentration gradient.
What affects osmosis across the cell membrane?
The permeability of the membrane to solutes to intracellular and interstitial fluids. The concentration gra